Educated at Brown and Yale, Fulbright Scholar in Vienna, former professor of strategy & policy, and strategic studies at the U.S. Naval War College, now professor of history and director of the Military History Center at the University of North Texas.
Author of six major books on modern military, diplomatic, and strategic history, series editor of the Cambridge Military Histories, commentator on current issues and their historical background a.k.a. "applied history."
Anchored six shows for the History Channel - Hardcover History, History's Business, History in Focus, Global View, Hard Target, History vs. Hollywood -- and has appeared regularly on History, Discovery, CNN, Fox, American Heroes, Netflix, Smithsonian, Spike, and National Geographic.